To Perform

Shortcut

Opens viewports dialogue box

VPORTS

Perspective view.

DV

Switch to model space in a viewport

MS

Create a viewport using command line

-VPORTS

Make a viewport in paper space

MV

Switch to paper space from viewport

PS

Cycle through viewports

CTRL+R

Switch up between layout tabs

CTRL+PAGE UP

Switch down between layout tabs

CTRL+PAGE DOWN

To prevent a viewport from editing right mouse click on the viewport and select DISPLAY

LOCKED/YES